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<div class="header">
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<a href="classEigen_1_1DynamicSparseMatrix-members.html">List of all members</a> &#124;
<a href="#pub-methods">Public Member Functions</a>  </div>
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<div class="title">Eigen::DynamicSparseMatrix&lt; _Scalar, _Options, _StorageIndex &gt; Class Template Reference</div>  </div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename _Scalar, int _Options, typename _StorageIndex&gt;<br />
class Eigen::DynamicSparseMatrix&lt; _Scalar, _Options, _StorageIndex &gt;</h3>

<p>A sparse matrix class designed for matrix assembly purpose. </p>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000001">Deprecated:</a></b></dt><dd>use a <a class="elRef" href="../classEigen_1_1SparseMatrix.html">SparseMatrix</a> in an uncompressed mode</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">_Scalar</td><td>the scalar type, i.e. the type of the coefficients</td></tr>
  </table>
  </dd>
</dl>
<p>Unlike <a class="elRef" href="../classEigen_1_1SparseMatrix.html">SparseMatrix</a>, this class provides a much higher degree of flexibility. In particular, it allows random read/write accesses in log(rho*outer_size) where <code>rho</code> is the probability that a coefficient is nonzero and outer_size is the number of columns if the matrix is column-major and the number of rows otherwise.</p>
<p>Internally, the data are stored as a std::vector of compressed vector. The performances of random writes might decrease as the number of nonzeros per inner-vector increase. In practice, we observed very good performance till about 100 nonzeros/vector, and the performance remains relatively good till 500 nonzeros/vectors.</p>
<dl class="section see"><dt>See also</dt><dd><a class="elRef" href="../classEigen_1_1SparseMatrix.html">SparseMatrix</a> </dd></dl>
</div><div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
  <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for Eigen::DynamicSparseMatrix&lt; _Scalar, _Options, _StorageIndex &gt;:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a64b7d586c6b212dbe912a9ee05c3a85a"><td class="memItemLeft" align="right" valign="top">Scalar&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a64b7d586c6b212dbe912a9ee05c3a85a">coeff</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> row, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> col) const</td></tr>
<tr class="separator:a64b7d586c6b212dbe912a9ee05c3a85a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a17093cd39bd0e6ebd6250bc5feb61a0f"><td class="memItemLeft" align="right" valign="top">Scalar &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a17093cd39bd0e6ebd6250bc5feb61a0f">coeffRef</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> row, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> col)</td></tr>
<tr class="separator:a17093cd39bd0e6ebd6250bc5feb61a0f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a46a6947fcf115e6b7b731a8e01e7995d"><td class="memItemLeft" align="right" valign="top">EIGEN_DEPRECATED&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a46a6947fcf115e6b7b731a8e01e7995d">DynamicSparseMatrix</a> ()</td></tr>
<tr class="separator:a46a6947fcf115e6b7b731a8e01e7995d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab5bd886d79beb30802df0b1508727482"><td class="memTemplParams" colspan="2">template&lt;typename OtherDerived &gt; </td></tr>
<tr class="memitem:ab5bd886d79beb30802df0b1508727482"><td class="memTemplItemLeft" align="right" valign="top">EIGEN_DEPRECATED&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#ab5bd886d79beb30802df0b1508727482">DynamicSparseMatrix</a> (const <a class="elRef" href="../classEigen_1_1SparseMatrixBase.html">SparseMatrixBase</a>&lt; OtherDerived &gt; &amp;other)</td></tr>
<tr class="separator:ab5bd886d79beb30802df0b1508727482"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad1c810ff3cfcc97db704d26b9d114f94"><td class="memItemLeft" align="right" valign="top">EIGEN_DEPRECATED&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#ad1c810ff3cfcc97db704d26b9d114f94">DynamicSparseMatrix</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> rows, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> cols)</td></tr>
<tr class="separator:ad1c810ff3cfcc97db704d26b9d114f94"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa806b3dde0a055844110610907b016f3"><td class="memItemLeft" align="right" valign="top">EIGEN_DEPRECATED void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#aa806b3dde0a055844110610907b016f3">endFill</a> ()</td></tr>
<tr class="separator:aa806b3dde0a055844110610907b016f3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a70c8f529b38fd5b7d93d6dfe1a122723"><td class="memItemLeft" align="right" valign="top">EIGEN_DEPRECATED Scalar &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a70c8f529b38fd5b7d93d6dfe1a122723">fill</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> row, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> col)</td></tr>
<tr class="separator:a70c8f529b38fd5b7d93d6dfe1a122723"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6a5eb3c9d153d8ebdf4e0967321108e2"><td class="memItemLeft" align="right" valign="top">EIGEN_DEPRECATED Scalar &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a6a5eb3c9d153d8ebdf4e0967321108e2">fillrand</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> row, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> col)</td></tr>
<tr class="separator:a6a5eb3c9d153d8ebdf4e0967321108e2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa0abc0e4565143f103f0d7373bd4a125"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#aa0abc0e4565143f103f0d7373bd4a125">finalize</a> ()</td></tr>
<tr class="separator:aa0abc0e4565143f103f0d7373bd4a125"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0a556652195b91c09e9f6c4d8b7cc81d"><td class="memItemLeft" align="right" valign="top">Scalar &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a0a556652195b91c09e9f6c4d8b7cc81d">insertBack</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> row, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> col)</td></tr>
<tr class="separator:a0a556652195b91c09e9f6c4d8b7cc81d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac97c2463058ae55d7f0ef21c851eb5f3"><td class="memItemLeft" align="right" valign="top">Scalar &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#ac97c2463058ae55d7f0ef21c851eb5f3">insertBackByOuterInner</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> outer, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> inner)</td></tr>
<tr class="separator:ac97c2463058ae55d7f0ef21c851eb5f3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a473cd00ddc0319327f4c8a6c82ec96cf"><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a473cd00ddc0319327f4c8a6c82ec96cf">nonZeros</a> () const</td></tr>
<tr class="separator:a473cd00ddc0319327f4c8a6c82ec96cf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af3b38485a69d03e5c53d9ba57f9ce1d0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#af3b38485a69d03e5c53d9ba57f9ce1d0">prune</a> (Scalar reference, RealScalar epsilon=<a class="elRef" href="../structEigen_1_1NumTraits.html">NumTraits</a>&lt; RealScalar &gt;::dummy_precision())</td></tr>
<tr class="separator:af3b38485a69d03e5c53d9ba57f9ce1d0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2d793e836fdb4bf0a85c9cf390e07861"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a2d793e836fdb4bf0a85c9cf390e07861">resize</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> rows, <a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> cols)</td></tr>
<tr class="separator:a2d793e836fdb4bf0a85c9cf390e07861"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abade0bf46139d8577aa24ead30c76771"><td class="memItemLeft" align="right" valign="top">EIGEN_DEPRECATED void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#abade0bf46139d8577aa24ead30c76771">startFill</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> reserveSize=1000)</td></tr>
<tr class="separator:abade0bf46139d8577aa24ead30c76771"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a294b998a50cc01859425e5e7c23d6108"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a294b998a50cc01859425e5e7c23d6108">startVec</a> (<a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a>)</td></tr>
<tr class="separator:a294b998a50cc01859425e5e7c23d6108"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af0677c8aec1e1dee9f0a389509082a83"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#af0677c8aec1e1dee9f0a389509082a83">~DynamicSparseMatrix</a> ()</td></tr>
<tr class="separator:af0677c8aec1e1dee9f0a389509082a83"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a46a6947fcf115e6b7b731a8e01e7995d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a46a6947fcf115e6b7b731a8e01e7995d">&#9670;&nbsp;</a></span>DynamicSparseMatrix() <span class="overload">[1/3]</span></h2>

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template&lt;typename _Scalar , int _Options, typename _StorageIndex &gt; </div>
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          <td>(</td>
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<p>The class <a class="el" href="classEigen_1_1DynamicSparseMatrix.html" title="A sparse matrix class designed for matrix assembly purpose.">DynamicSparseMatrix</a> is deprecated </p>

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template&lt;typename _Scalar , int _Options, typename _StorageIndex &gt; </div>
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          <td>(</td>
          <td class="paramtype"><a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a>&#160;</td>
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<p>The class <a class="el" href="classEigen_1_1DynamicSparseMatrix.html" title="A sparse matrix class designed for matrix assembly purpose.">DynamicSparseMatrix</a> is deprecated </p>

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<p>The class <a class="el" href="classEigen_1_1DynamicSparseMatrix.html" title="A sparse matrix class designed for matrix assembly purpose.">DynamicSparseMatrix</a> is deprecated </p>

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<h2 class="memtitle"><span class="permalink"><a href="#af0677c8aec1e1dee9f0a389509082a83">&#9670;&nbsp;</a></span>~DynamicSparseMatrix()</h2>

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template&lt;typename _Scalar , int _Options, typename _StorageIndex &gt; </div>
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<p>Destructor </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a64b7d586c6b212dbe912a9ee05c3a85a">&#9670;&nbsp;</a></span>coeff()</h2>

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          <td class="paramtype"><a class="elRef" href="../structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a>&#160;</td>
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<dl class="section return"><dt>Returns</dt><dd>the coefficient value at given position <em>row</em>, <em>col</em> This operation involes a log(rho*outer_size) binary search. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a17093cd39bd0e6ebd6250bc5feb61a0f">&#9670;&nbsp;</a></span>coeffRef()</h2>

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          <td>(</td>
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<dl class="section return"><dt>Returns</dt><dd>a reference to the coefficient value at given position <em>row</em>, <em>col</em> This operation involes a log(rho*outer_size) binary search. If the coefficient does not exist yet, then a sorted insertion into a sequential buffer is performed. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa806b3dde0a055844110610907b016f3">&#9670;&nbsp;</a></span>endFill()</h2>

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template&lt;typename _Scalar , int _Options, typename _StorageIndex &gt; </div>
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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000005">Deprecated:</a></b></dt><dd>use <a class="el" href="classEigen_1_1DynamicSparseMatrix.html#aa0abc0e4565143f103f0d7373bd4a125">finalize()</a> Does nothing. Provided for compatibility with <a class="elRef" href="../classEigen_1_1SparseMatrix.html">SparseMatrix</a>. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a70c8f529b38fd5b7d93d6dfe1a122723">&#9670;&nbsp;</a></span>fill()</h2>

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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000003">Deprecated:</a></b></dt><dd>use insert() inserts a nonzero coefficient at given coordinates <em>row</em>, <em>col</em> and returns its reference assuming that: 1 - the coefficient does not exist yet 2 - this the coefficient with greater inner coordinate for the given outer coordinate. In other words, assuming <code>*this</code> is column-major, then there must not exists any nonzero coefficient of coordinates <code>i</code> <code>x</code> <em>col</em> such that <code>i</code> &gt;= <em>row</em>. Otherwise the matrix is invalid.</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a6a5eb3c9d153d8ebdf4e0967321108e2">fillrand()</a>, <a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a17093cd39bd0e6ebd6250bc5feb61a0f">coeffRef()</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a6a5eb3c9d153d8ebdf4e0967321108e2">&#9670;&nbsp;</a></span>fillrand()</h2>

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          <td>(</td>
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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000004">Deprecated:</a></b></dt><dd>use insert() Like <a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a70c8f529b38fd5b7d93d6dfe1a122723">fill()</a> but with random inner coordinates. Compared to the generic <a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a17093cd39bd0e6ebd6250bc5feb61a0f">coeffRef()</a>, the unique limitation is that we assume the coefficient does not exist yet. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#aa0abc0e4565143f103f0d7373bd4a125">&#9670;&nbsp;</a></span>finalize()</h2>

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<p>Does nothing: provided for compatibility with <a class="elRef" href="../classEigen_1_1SparseMatrix.html">SparseMatrix</a> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a0a556652195b91c09e9f6c4d8b7cc81d">&#9670;&nbsp;</a></span>insertBack()</h2>

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<dl class="section return"><dt>Returns</dt><dd>a reference to the non zero coefficient at position <em>row</em>, <em>col</em> assuming that:<ul>
<li>the nonzero does not already exist</li>
<li>the new coefficient is the last one of the given inner vector.</li>
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</dd></dl>
<dl class="section see"><dt>See also</dt><dd>insert, <a class="el" href="classEigen_1_1DynamicSparseMatrix.html#ac97c2463058ae55d7f0ef21c851eb5f3">insertBackByOuterInner</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ac97c2463058ae55d7f0ef21c851eb5f3">&#9670;&nbsp;</a></span>insertBackByOuterInner()</h2>

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<dl class="section see"><dt>See also</dt><dd><a class="el" href="classEigen_1_1DynamicSparseMatrix.html#a0a556652195b91c09e9f6c4d8b7cc81d">insertBack</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a473cd00ddc0319327f4c8a6c82ec96cf">&#9670;&nbsp;</a></span>nonZeros()</h2>

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<dl class="section return"><dt>Returns</dt><dd>the number of non zero coefficients </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#af3b38485a69d03e5c53d9ba57f9ce1d0">&#9670;&nbsp;</a></span>prune()</h2>

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<p>Suppress all nonzeros which are smaller than <em>reference</em> under the tolerance <em>epsilon</em> </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2d793e836fdb4bf0a85c9cf390e07861">&#9670;&nbsp;</a></span>resize()</h2>

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<p>Resize the matrix without preserving the data (the matrix is set to zero) </p>

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<h2 class="memtitle"><span class="permalink"><a href="#abade0bf46139d8577aa24ead30c76771">&#9670;&nbsp;</a></span>startFill()</h2>

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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000002">Deprecated:</a></b></dt><dd>Set the matrix to zero and reserve the memory for <em>reserveSize</em> nonzero coefficients. </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#a294b998a50cc01859425e5e7c23d6108">&#9670;&nbsp;</a></span>startVec()</h2>

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template&lt;typename _Scalar , int _Options, typename _StorageIndex &gt; </div>
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          <td class="memname">void <a class="el" href="classEigen_1_1DynamicSparseMatrix.html">Eigen::DynamicSparseMatrix</a>&lt; _Scalar, _Options, _StorageIndex &gt;::startVec </td>
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<p>Does nothing: provided for compatibility with <a class="elRef" href="../classEigen_1_1SparseMatrix.html">SparseMatrix</a> </p>

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<hr/>The documentation for this class was generated from the following file:<ul>
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